ostreambuf_iterator& operator=(charT c);
Effects:
If
failed()
yields
false,
calls
sbuf_->sputc(c);
otherwise has no effect.
ostreambuf_iterator& operator*();
ostreambuf_iterator& operator++();
ostreambuf_iterator& operator++(int);
bool failed() const noexcept;
Returns:
true
if in any prior use of member
operator=,
the call to
sbuf_->sputc()
returned
traits::eof();
or
false
otherwise.